Unified Medical Language System® (UMLS®)
SNOMED CT ® Archive Files
Download SNOMED CT Releases from this page. Click on the file name to start the download.
SNOMED CT: International Release January 2012
| File Name | Contents | Size | Notes |
|---|---|---|---|
| SnomedCT_Release_INT_20120131.zip | SNOMED CT terminology, cross maps, and subsets. User Guide (content, principles and uses); Technical Implementation Guide (design of applications using SNOMED CT) and Technical Reference Guide (file layouts, field sizes, required values, data diagrams). ICD-9-CM Cross Map. | 543 MB | Terminology is also available in Metathesaurus format in UMLS 2012AA Release, May 2012. |
SNOMED CT: RF2 to RF1 Version Compatibility Tools for International Release January 2012
| File Name | Contents | Size |
|---|---|---|
| SnomedCT_RF2toRF1Conversion_INT_20120131.zip |
RF2 to RF1 conversion application (Windows and Macintosh versions) |
44 MB |
| SnomedCT_RF1CompatibilityPackage_INT_20120131.zip |
Supporting data files for RF2 to RF1 conversion. |
196 MB |
SNOMED CT: Edición en Español October 2011
| File Name | Contents | Size | Notes |
|---|---|---|---|
| SnomedCT_es_INT_20111031.zip | Spanish translations of SNOMED CT International Release July 2011 descriptions and documentation. | 96 MB | Terminology is also available in Metathesaurus format in UMLS 2012AA Release, May 2012. |
SNOMED CT: ICD-9-CM Cross Map October 2011
| File Name | Contents | Size | Notes |
|---|---|---|---|
| SnomedCT_ICD9CrossMap_INT_20111001.zip | October 1 2011 SNOMED CT ICD-9-CM Cross Map revised to reflect ICD-9-CM 2011; Data files in both RF1 and RF2 formats. | 11.68 MB | Revised Cross Map is also available in Metathesaurus format in UMLS 2011AB Release, November 2011. August 29 update: Download file was replaced with updated version that corrects errors in previously released version. Users should download and use the updated Cross Map files. |
SNOMED CT: International Release July 2011
| File Name | Contents | Size | Notes |
|---|---|---|---|
| RF1 Download File: SnomedCT_INT_20110731.zip |
SNOMED CT terminology, cross maps, and subsets. User Guide (content, principles and uses); Technical Implementation Guide (design of applications using SNOMED CT) and Technical Reference Guide (file layouts, field sizes, required values, data diagrams). ICD-9-CM Cross Map and US Drug Extension. |
214 MB |
Terminology is also available in Metathesaurus format in UMLS 2011AB Release, November 2011. |
| RF2 Download File: SnomedCT_RF2Release_INT_20110731.zip |
SNOMED CT terminology, cross maps, and subsets. User Guide (content, principles and uses); Technical Implementation Guide (design of applications using SNOMED CT) and Technical Reference Guide (file layouts, field sizes, required values, data diagrams). ICD-9-CM Cross Map and US Drug Extension. |
407 MB |
|
SNOMED CT: RF2 to RF1 Version Compatibility Tools for International Release July 2011
| File Name | Contents | Size |
|---|---|---|
| SnomedCT_RF2toRF1Conversion_INT_20110731.zip |
RF2 to RF1 conversion application (Windows and Macintosh versions) |
41 MB |
| SnomedCT_RF1CompatibilityPackage_INT_20110731.zip |
Supporting data files for RF2 to RF1 conversion. |
196 MB |
SNOMED CT: Edición en Español April 2011
| File Name | Contents | Size | Notes |
|---|---|---|---|
| SnomedCT_es_INT_20110430.zip |
Spanish translations of SNOMED CT International Release January 2011 descriptions and documentation. |
96 MB |
Terminology is also available in Metathesaurus format in UMLS 2011AB Release, November 2011. |
SNOMED CT: ICD-9-CM Cross Map Revision October 2010
| File Name | Contents | Size | Notes |
|---|---|---|---|
| SNOMED_CT_ICD9_CrossMap_20101001.zip |
October 1 2010 SNOMED CT ICD-9-CM Cross Map revised to reflect ICD-9-CM 2010. |
728 KB |
Revised Cross Map is also available in Metathesaurus format in UMLS 2010AB Release, November 2010. |
SNOMED CT: International Release January 2011
| File Name | Contents | Size | Notes |
|---|---|---|---|
| SnomedCT_INT_20110131.zip |
SNOMED CT terminology, cross maps, and subsets. User Guide (content, principles and uses); Technical Implementation Guide (design of applications using SNOMED CT) and Technical Reference Guide (file layouts, field sizes, required values, data diagrams). ICD-9-CM Cross Map and US Drug Extension. |
213 MB |
SNOMED CT terminology also available in Metathesaurus format in UMLS 2011AA Release, May 2011. |
SNOMED CT: Developer Preview January 2011
| File Name | Contents | Size | Notes |
|---|---|---|---|
| SnomedCT_DeveloperPreview_INT_20110131.zip |
Alternate version of the SNOMED CT International Release January 2011. |
516 MB |
The Developer Preview is updated with the International Release in January and July. It is designed to prepare SNOMED CT users for introduction of enhanced RF2 format in future International Releases. |
SNOMED CT: Edición en Español October 2010
| File Name | Contents | Notes |
|---|---|---|
| SnomedCT_es_INT_20101031.zip |
Spanish translations of SNOMED CT International Release July 2010 descriptions and documentation. |
Terminology also available in Metathesaurus format in UMLS 2011AA Release, May 2011. |
SNOMED CT: International Release July 2010
| File Name | Contents | Notes |
|---|---|---|
| SnomedCT_INT_20100731.zip |
SNOMED CT terminology, cross maps, and subsets. User Guide (content, principles and uses); Technical Implementation Guide (design of applications using SNOMED CT) and Technical Reference Guide (file layouts, field sizes, required values, data diagrams). ICD-9-CM Cross Map and US Drug Extension. |
International Release now distributed as a single zipped file. SNOMED CT terminology also available in Metathesaurus format in UMLS 2010AB Release, November 2010. |
SNOMED CT: Developer Preview July 2010
| File Name | Contents | Notes |
|---|---|---|
| SnomedCT_DeveloperPreviewFull_INT_20100731.zip |
Alternate version of the SNOMED CT International Release July 2010, including new metatdata concept hierarchy required for RF2. |
Designed to prepare SNOMED CT users for introduction of enhanced "RF2" format in future International Releases. |
SNOMED CT: Edición en Español April 2010
| File Name | Contents | Notes |
|---|---|---|
| SnomedCT_es_INT_20100430.zip |
Spanish translations of SNOMED CT International Release January 2010 descriptions and documentation. |
Terminology also available in Metathesaurus format in UMLS 2010AB Release, November 2010. |
SNOMED CT: International Release January 2010
| File Name | Contents | Notes |
|---|---|---|
| SnomedCT_INT_20100131.zip |
SNOMED CT terminology, cross maps, and subsets. User Guide (content, principles and uses); Technical Implementation Guide (design of applications using SNOMED CT) and Technical Reference Guide (file layouts, field sizes, required values, data diagrams). ICD-9-CM Cross Map and US Drug Extension. |
International Release now distributed as a single zipped file. SNOMED CT terminology also available in Metathesaurus format in UMLS 2010AA Release, May 2010. |
SNOMED CT: Technology Preview January 2010 (March 24, 2010 Version)
| File Name | Contents | Notes |
|---|---|---|
| SnomedCT_TechnologyPreviewFull_INT_20100131.zip |
Two alternate versions of the SNOMED CT International Release January 2010: RF1 Technology Preview Release and RF2 Technology Preview Release. |
Designed to prepare SNOMED CT users for introduction of enhanced "RF2" format in future International Releases. |
SNOMED CT: Edición en Español October 2009
| File Name | Contents | Notes |
|---|---|---|
| SNOMED_CT_Spanish_Edition_20091031.zip |
Spanish translations of SNOMED CT International Release July 2009 descriptions and documentation. |
Terminology also available in Metathesaurus format in UMLS 2010AA Release, May 2010. |
SNOMED CT: International Release July 2009
| File Name | Contents | Notes |
|---|---|---|
| SNOMED_CT_Essential_20090731.zip |
SNOMED CT terminology, cross maps, and subsets. User Guide (content, principles and uses); Technical Implementation Guide (design of applications using SNOMED CT) and Technical Reference Guide (file layouts, field sizes, required values, data diagrams). |
SNOMED CT terminology also available in Metathesaurus format in UMLS 2009AB Release, November 2009. |
| SNOMED_CT_Optional_20090731.zip |
ICD-9-CM Cross Map and US Drug Extension. |
ICD-9-CM Cross Map also available in Metathesaurus format in UMLS 2009AB Release, November 2009. |
SNOMED CT: ICD-9-CM Cross Map Revision October 2009
| File Name | Contents | Notes |
|---|---|---|
| SNOMED_CT_ICD9_CrossMap_20091031.zip |
July 31 2009 SNOMED CT ICD-9-CM Cross Map revised to reflect ICD-9-CM 2010. |
Revised ICD-9-CM Cross Map also available in Metathesaurus format in UMLS 2010AA Release, May 2010. |
SNOMED CT: Edición en Español April 2009
| File Name | Contents | Notes |
|---|---|---|
| SNOMED_CT_Spanish_Edition_20090430.zip |
Spanish translations of SNOMED CT International Release January 2009 descriptions and documentation. |
Terminology also available in Metathesaurus format in UMLS 2009AB Release, November 2009. |
SNOMED CT: International Release January 2009
| File Name | Contents | Notes |
|---|---|---|
| SNOMED_CT_Essential_20090131.zip |
SNOMED CT terminology, cross maps, and subsets. User Guide (content, principles and uses); Technical Implementation Guide (design of applications using SNOMED CT) and Technical Reference Guide (file layouts, field sizes, required values, data diagrams). |
SNOMED CT terminology also available in Metathesaurus format in UMLS 2009AA Release, April 2009. |
| SNOMED_CT_Optional_20090131.zip |
ICD-9-CM Cross Map and US Drug Extension. |
ICD-9-CM Cross Map also available in Metathesaurus format in UMLS 2009AA Release, April 2009. |
SNOMED CT: Edición en Español October 2008
| File Name | Contents | Notes |
|---|---|---|
| SNOMED_CT_Spanish_Edition_20081031.zip |
Spanish translations of SNOMED CT International Release July 2008 descriptions and documentation. |
Terminology also available in Metathesaurus format in UMLS 2009AA Release, April 2009. |
SNOMED CT: International Release July 2008
| File Name | Contents | Notes |
|---|---|---|
| SNOMED_CT_Essential_20080731.zip |
SNOMED CT terminology, cross maps, and subsets. User Guide (content, principles and uses); Technical Implementation Guide (design of applications using SNOMED CT) and Technical Reference Guide (file layouts, field sizes, required values, data diagrams). |
SNOMED CT terminology also available in Metathesaurus format in UMLS 2008AB Release, November 2008. |
| SNOMED_CT_Optional_20080731.zip |
ICD-9-CM Cross Map and US Drug Extension. |
ICD-9-CM Cross Map also available in Metathesaurus format in UMLS 2008AB Release, November 2008. |
SNOMED CT: International Release January 2008
| File Name | Contents | Notes |
|---|---|---|
| SNOMED_CT_Essential_20080131.zip |
SNOMED CT terminology, cross maps, and subsets. User Guide (content, principles and uses); Technical Implementation Guide (design of applications using SNOMED CT) and Technical Reference Guide (file layouts, field sizes, required values, data diagrams). |
SNOMED CT terminology also available in Metathesaurus format in UMLS 2008AA Release, April 2008 |
| SNOMED_CT_Optional_20080131.zip |
ICD-9-CM Cross Map and US Drug Extension. |
ICD-9-CM Cross Map also available in Metathesaurus format in UMLS 2008AA Release, April 2008. |
SNOMED CT: Edición en Español Abril 2008
| File Name | Contents | Notes |
|---|---|---|
| SNOMED_CT_Spanish_Edition_20080430.zip |
Spanish translations of SNOMED CT International Release January 2008 descriptions and documentation. |
Terminology also available in Metathesaurus format in UMLS 2008AB Release, November 2008. |
SNOMED CT: Edición en Español October 2007
| File Name | Contents | Notes |
|---|---|---|
| SNOMED_CT_Spanish_Edition_20071031.zip |
Spanish translations of SNOMED CT International Release July 2007 descriptions and documentation. |
Terminology also available in Metathesaurus format in UMLS 2008AA Release, April 2008. |
Older SNOMED CT Files
| File Name | Contents |
|---|---|
| SNOMED_CT_Essential_20070731.zip | International Release Essential Resources including SNOMED CT terminology, cross maps, subsets, documentation, and other resources |
| SNOMED_CT_Optional_20070731.zip |
International Release Optional Resources including the ICD-9-CM Cross Map, and US Drug Extension. Note: This Optional file has been updated to include the October 2007 revision SNOMED CT-ICD-9-CM Cross Map. |
| SNOMED_CT_ICD_9_Cross_Map_20071001.zip | Stand-alone version of the October 2007 revision of the SNOMED CT-ICD-9-CM Cross Map. |
| SNOMED_CT_User_Guide_20070731.pdf | Capabilities, content, principles used to model the terminology, and uses from a content perspective |
| SNOMED_CT_Technical_Implementation_Guide_20070731.pdf | Guidelines and advice about the design of applications using SNOMED CT; covers terminology services, entering and storing information, and migration of legacy information |
| SNOMED_CT_Technical_Reference_Guide_20070731.pdf | Reference material including file layouts, field sizes, required values and their meanings, and high level data diagrams |
| SNOMEDCT_US_Edition_20070131.zip | SNOMED CT files in English |
| SNOMEDCT_Spanish_2007_04_20.zip | SNOMED CT files in Spanish |
| SNOMEDCT_Technical_Implementation_Guide_20070131.zip | Guidelines and advice about the design of applications using SNOMED CT; covers terminology services, entering and storing information, and migration of legacy information |
| SNOMED CT User Guide.pdf (515K) | Capabilities, contents, and principles used to model the terminology, and uses from a content perspective |
- Terms of use for SNOMED CT are contained in Appendix 2, SNOMED CT Affiliate License Agreement, of the License for Use of the UMLS Metathesaurus.
- The International Health Terminology Standards Development Organisation (IHTSDO) acquired SNOMED Clinical Terms (SNOMED CT) from the College of American Pathologists (CAP) in April 2007.
- NLM, the U.S. Member of the IHTSDO, distributes the International Releases of SNOMED CT in English and Spanish.
- Additional information about the change in ownership of SNOMED CT and the effect on U.S. licensees is available at http://www.nlm.nih.gov/snomed.
- NLM also distributes SNOMED CT through the UMLS Metathesaurus.
